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Segment and Geographic information - Revenue by Product Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information
Revenue	$ 657,274	$ 691,321	$ 777,552
Power discrete
Segment Reporting Information
Revenue	426,146	458,795	545,135
Power IC
Segment Reporting Information
Revenue	205,778	218,620	220,882
Packaging and testing services
Segment Reporting Information
Revenue	4,119	3,979	11,535
License and development services
Segment Reporting Information
Revenue	$ 21,231	$ 9,927	$ 0

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